Description Koiboi Airsoft Hop Up H-Nub Set Description: Replace your original hop up spacer with this Element H Shape Hop Up Spacer. The H Shape hop up spacer is designed to provide 2 points of contact on the top of the BB to provide a more uniform backspin on the BB to provide the straightest possible BB flight. Plastic Construction Low / High Velocity Output Design Two Point Contact Increased Range / Accuracy Includes: Two (2) Hop Up Spacers
